CN102582303A - Printing application method for soaking ink on TPU (thermoplastic urethane) plates - Google Patents
Printing application method for soaking ink on TPU (thermoplastic urethane) plates Download PDFInfo
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- CN102582303A CN102582303A CN2012100650458A CN201210065045A CN102582303A CN 102582303 A CN102582303 A CN 102582303A CN 2012100650458 A CN2012100650458 A CN 2012100650458A CN 201210065045 A CN201210065045 A CN 201210065045A CN 102582303 A CN102582303 A CN 102582303A
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Abstract
The invention relates to processing technology for light guide plates on products such as mobile phones, laptops, switch buttons and the like, in particular to a printing application method for soaking ink on TPU (thermoplastic urethane) plates. The soaking ink is printed on the TPU plates, the viscosity of the soaking ink is 18+/-2p, and the TPU plates are baked at the temperature of 120+/-5 DEG C after the soaking ink is printed on the TPU plates; during printing, 150g of a first batch of soaking ink is firstly distributed, 50g of new ink is added after 60 TPU plates are printed to guarantee the viscosity; a middle-frame polyester screen with 15 micrometers per 300 meshes is used for printing; and printing parameters are set as: the hardness of a scraper is 70 degrees, the pressure on an ink sealing plate ranges from 2Kg/cm2 to 3Kg/cm2, the mesh size ranges from 3mm to 5mm, and the angle of the scraper is 70 degrees. The TPU plates are printed by the aid of soaking printing process, and the problems that a traditional ink printing product is light-tight, and light of an LED lamp light source cannot be uniformly displayed are solved. In addition, the successful research on the soaking printing process develops new market fields for enterprises, and accordingly market share of products is increased.
Description
Technical field
The present invention relates to be used for mobile phone, notebook computer, the processing technology of used light guide sheet on the products such as shift knob relates in particular to a kind of printing applications of printing ink on TPU (TPU) sheet material of soaking into.
Background technology
Present mobile phone and notebook computer Market competition, especially apparent fineness, small and exquisite, more can attract the consumer.In the face of market competition is growing more intense, the increasing pursuit of each manufacturer is ultra-thin, and is energy-conservation, and aspects such as profile are in favourable position with it in competition.Light guide sheet is assembled into can save LED lamp power consumption on the button, send bright evenly soft light, to strengthen the beautiful sense of product glossiness, light source is evenly distributed.Yet; TPU sheet material as one of light guide sheet main raw material(s) adopts traditional printing ink to print, and exists not have light transmission, can not be with defectives such as the LED lamp source display uniformly; Therefore; Scientific and technical personnel are eager to seek and a kind ofly can be substituted printing ink, and the splendid product of printing effect, to meet the need of market.
Summary of the invention
The objective of the invention is: after making button product (mobile phone key, notebook computer button, shift knob) button backlit; Under the prerequisite of saving power consumption, can send bright evenly soft light, and increase beautiful sense; Make whole structure more attractive in appearance, improve product competitiveness with this.Through scientific and technical personnel's effort inquiry, the pattern that breaks traditions is finally selected a kind of printing applications of printing ink on the TPU sheet material of soaking into; And pass through test of many times; Realized that successfully light guide sheet has beautiful in colour, printing opacity effect of uniform, and small and exquisite frivolous, its effect is that traditional light guide sheet can't realize.
A kind of printing applications of printing ink on the TPU sheet material of soaking into is characterized in that, on the TPU sheet material, the said ink viscosity that soaks into is 18 ± 2p, toasts behind the oiliness ink print with the oiliness ink print, and baking temperature is set at 120 ± 5 ° of C.
In the oiliness ink print, through first printing ink 150g that soaks into, 50g of 60 TPU sheet materials interpolations of every afterwards printing newly soaks into printing ink and guarantees said viscosity.The described printing ink that soaks into that soaks into the production of printing ink employing Tokyo Materials Co., Ltd.Said oiliness ink print adopts 15 μ/300 order center polyester half tones to print.Described printing is accomplished on screen printer, and the setting of printing parameter comprises: scraper hardness: 70 degree; Seal black plate pressure: 2～3Kg/cm2; Net distance: 3～5mm; Scraper angle: 70 °.
The beneficial effect that the present invention produced is: adopt and to soak into typography printing TPU sheet material, solved the traditional oils ink print and do not had light transmission, the problem that can not the LED lamp source be displayed uniformly.Soak into succeeding in developing of typography,, thereby improved the occupation rate of product in market for enterprise expands new market segment.
The specific embodiment
Below with the concrete steps of soaking into typography the present invention is described further:
One, original copy is made and the output of film sheet: carry out computer according to client's layout and handle, go out film with laser phototypesetting technology then.
Two, soak into the plate-making (net that stretches tight, photosensitive lithographic) of printed patterns: because it is bigger to soak into the print product TPU sheet material version width of cloth; In order to guarantee that product printing stretched dimension can be at ± 0.1mm; Use the NBC high-tension/low elongation polyester screen cloth of 300 orders/inch Japan; The web plate size changes 780mm*930mm into, to reduce percentage elongation.The thick film version adopts the net that tiltedly stretches tight can realize that bar is more clear.Because soaking into the printing that is printed on the TPU sheet material has permeability; Therefore, uneven in order to guarantee to permeate the back thickness and can not influence product frame line, the requirement of light guide effect is selected for use the thickness of photoresists according to the client; Behind overtesting, generally being coated with photoresists thickness is 15 μ; Time for exposure is 180s.
The preparation method of thick film version is following: 1. set the coating twice continuously on the two sides of half tone of the forward and backward scraper of coating machine, put into oven drying (40-50 ℃, 10-20 minute).2. only be applied to desired thickness in that the printing surface wet pressing is wet, put into oven drying (40-50 ℃, 30-40 minute).
Three, soak into the typography of printing ink: (printing ink allotment, printing parameter are set, toasted) at the TPU sheet material
(1) printing ink allotment: ink viscosity is 18 ± 2p.Because the particularity of soaking into printing ink; Printing ink can not be adjusted ink viscosity through other modulator; Therefore can only adjust ink viscosity through adding new ink in process of production; The ink viscosity management-control method is: the printing ink 150g that runs initially, 60 TPU sheet materials of every afterwards printing add a 50g new ink, guarantee that thus ink viscosity is suitable for producing.
(2) printing parameter is set: scraper hardness: 70 degree; Seal black plate pressure: 2.5Kg/cm2; Net distance: 4mm; Scraper hardness: 70 °.Traditional printing scraper hardness is 110/90/110 degree, but owing to soak into printing characteristic, can not satisfy print thickness with traditional scraper, therefore through several kinds of final 70 degree scrapers of selecting of different hardness scraper test.Seal black plate pressure and net apart from traditional printing, there not being a special parameter requirement, but, increased to sealing black plate pressure and net, so that reach desired print thickness apart from management and control because to soak into the printing of printing ink on the TPU sheet material strict for ink thickness.
(3) baking: soak into directly 120 ° of C of high-temperature baking of printing back, printing ink can be impregnated in the TPU sheet material behind high-temperature baking uniformly, plays the effect of even shading.
The present invention realizes on the screen printer of electronic oblique arm formula plane, and adopts the printing ink that soaks into of Tokyo Materials Co., Ltd production.
Claims (5)
1. one kind soaks into the printing applications of printing ink on the TPU sheet material, it is characterized in that, on the TPU sheet material, the said ink viscosity that soaks into is 18 ± 2p, toasts behind the oiliness ink print with the oiliness ink print, and baking temperature is set at 120 ± 5 ° of C.
2. a kind of printing applications of printing ink on the TPU sheet material of soaking into according to claim 1; It is characterized in that; In the oiliness ink print, through first printing ink 150g that soaks into, 50g of 60 TPU sheet materials interpolations of every afterwards printing newly soaks into printing ink and guarantees said viscosity.
3. according to claim 1 or the described a kind of printing applications of printing ink on the TPU sheet material of soaking into of claim 2, it is characterized in that the described printing ink that soaks into that soaks into the production of printing ink employing Tokyo Materials Co., Ltd.
4. a kind of printing applications of printing ink on the TPU sheet material of soaking into according to claim 1 is characterized in that, said oiliness ink print adopts 15 μ/300 order center polyester half tones to print.
5. according to claim 1 or the described printing applications of printing ink on the TPU sheet material of soaking into of claim 4, it is characterized in that described printing is accomplished on screen printer, the setting of printing parameter comprises: scraper hardness: 70 degree; Seal black plate pressure: 2～3Kg/cm2; Net distance: 3～5mm; Scraper angle: 70 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100650458A CN102582303A (en) | 2012-03-13 | 2012-03-13 | Printing application method for soaking ink on TPU (thermoplastic urethane) plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100650458A CN102582303A (en) | 2012-03-13 | 2012-03-13 | Printing application method for soaking ink on TPU (thermoplastic urethane) plates |
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| CN102582303A true CN102582303A (en) | 2012-07-18 |
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| CN2012100650458A Pending CN102582303A (en) | 2012-03-13 | 2012-03-13 | Printing application method for soaking ink on TPU (thermoplastic urethane) plates |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103753989A (en) * | 2013-12-20 | 2014-04-30 | 深圳市裕同包装科技股份有限公司 | Silk screening printing method |
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| JP2006192825A (en) * | 2005-01-17 | 2006-07-27 | Seiko Epson Corp | Screen printing device, screen printing method, manufacturing method of light-emitting device and electronic apparatus |
| CN101462426A (en) * | 2008-11-27 | 2009-06-24 | 天津市中环高科技有限公司 | Technology for printing sheet material with 3-D pattern |
| CN101477222A (en) * | 2008-04-24 | 2009-07-08 | 嘉兴淳祥电子科技有限公司 | Mobile phone press key light guide plate with metal clips and its manufacturing technique |
| CN101533116A (en) * | 2008-03-12 | 2009-09-16 | 住友橡胶工业株式会社 | Color filter manufacturing method and ink for color filter |
| CN101969003A (en) * | 2009-07-27 | 2011-02-09 | 比亚迪股份有限公司 | Keyboard component, preparation method thereof and keyboard |
| CN102080809A (en) * | 2009-11-30 | 2011-06-01 | 比亚迪股份有限公司 | Optical plastic sheet and manufacturing method thereof |
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2012
- 2012-03-13 CN CN2012100650458A patent/CN102582303A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006192825A (en) * | 2005-01-17 | 2006-07-27 | Seiko Epson Corp | Screen printing device, screen printing method, manufacturing method of light-emitting device and electronic apparatus |
| CN101533116A (en) * | 2008-03-12 | 2009-09-16 | 住友橡胶工业株式会社 | Color filter manufacturing method and ink for color filter |
| CN101477222A (en) * | 2008-04-24 | 2009-07-08 | 嘉兴淳祥电子科技有限公司 | Mobile phone press key light guide plate with metal clips and its manufacturing technique |
| CN101462426A (en) * | 2008-11-27 | 2009-06-24 | 天津市中环高科技有限公司 | Technology for printing sheet material with 3-D pattern |
| CN101969003A (en) * | 2009-07-27 | 2011-02-09 | 比亚迪股份有限公司 | Keyboard component, preparation method thereof and keyboard |
| CN102080809A (en) * | 2009-11-30 | 2011-06-01 | 比亚迪股份有限公司 | Optical plastic sheet and manufacturing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103753989A (en) * | 2013-12-20 | 2014-04-30 | 深圳市裕同包装科技股份有限公司 | Silk screening printing method |
| CN103753989B (en) * | 2013-12-20 | 2016-08-24 | 深圳市裕同包装科技股份有限公司 | A kind of method for printing screen |
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Application publication date: 20120718 |